有关巴西的叙述，错误的是（　　）

测定大理石含CaCO₃的质量分数，取大理石样品12.5g，加入盛有100g稀盐酸的烧杯中，两者恰好完全反应（假设其他杂质不与盐酸反应，也不溶解）．烧杯内物质的质量变为108.1g．试计算大理石样品中CaCO₃的质量分数．

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Tom with his family 1 near the sea. Their house is not very high, but it is beautiful. There 2 big trees and a small garden in front 3 their house. They plant flowers in the garden. Some of the flowers are red, some are white 4 some are blue. Tom and his family love 5 garden very much.

      6 Tom and his sister go to school 7 bus. The bus is comfortable. There are air conditioners in the bus. And it is a double-decker bus. After school, they sometimes help their mum 8 some shopping at the shopping centre, and sometimes help their dad in the garden. At weekends, they often take some photos by the sea. 9 summer, they often go swimming 10 their parents.